100mm Acrylic Fresnel Lens, Flat Optical Magnifier for Sunlight Ignition & Photography(F40mm)

High-transmittance acrylic material delivers up to 93% light passage, ensuring efficient sunlight concentration for outdoor ignition or fire-starting tasks. Flat devise with 100mm diameter offers a wide focusing area, ideal for magnifying text, small objects, or creating dramatic light effects in photography. Versatile optical tool supports multiple applications: solar experiments, DIY projection, decorative light displays, and emergency fire-starting when used with dry tinder. Lightweight and durable construction resists breakage, making it a safe, portable addition to camping gear, science kits, or workshop toolkits. Flat surface simplifies cleaning and handling, while the compact 100mm size fits easily into bags or storage cases for on-the-go use.